Malicious PDF — malware analysis report

Static analysis result for SHA-256 4c76801bc405d52b…

MALICIOUS

PDF

18.6 KB Created: 2020-03-16 21:45:01 +00:00 Authoring application: mPDF 5.7
MD5: 9a06cf53c3e26a11b6a7b6f655484c27 SHA-1: c943d581cb36597ea55bc7678129279a35391a54 SHA-256: 4c76801bc405d52b517670fbb83d4bcd3358ab81fd86d1e2b4f5671bf53ad53e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, suggesting a link farm or redirection scheme. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample. The primary attack pattern observed is the distribution of numerous external links, likely intended to direct users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9754

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://calistazz.myhome.cx/8864862860868867/Milarepa---Herr-der-Yogis-Das-Leben-von-Jets-n-Milarepa-by-Thomas-Roth.pdf
    • http://calistazz.myhome.cx/8864861869863860/The-Hundred-Thousand-Songs-of-Milarepa-Volume-One-by-Milarepa.pdf
    • http://calistazz.myhome.cx/8864861869863862/The-Hundred-Thousand-Songs-of-Milarepa-Vol-2-by-Milarepa.pdf
    • http://calistazz.myhome.cx/8864861869868868/Magnificent-Trickster-The-Story-of-Milarepa-by-Molly-MacGregor.pdf
    • http://calistazz.myhome.cx/3869861860861868/The-Life-of-Milarepa-by-Tsangny-n-Heruka.pdf
    • http://calistazz.myhome.cx/8864861869863864/Sixty-Songs-of-Milarepa-by-Milarepa.pdf
    • http://calistazz.myhome.cx/8864861869863869/The-Magic-Life-of-Milarepa-Tibet-s-Great-Yogi-by-Eva-Van-Dam.pdf
    • http://calistazz.myhome.cx/8864862861865860/Vita-di-Milarepa-by-Various.pdf
    • http://calistazz.myhome.cx/1860866863862861869/The-Reality-of-Life-Story-of-a-lived-Life-by-Hans-Juergen-Briest.pdf
    • http://calistazz.myhome.cx/1864861868862866/Jack-s-Life-The-Life-Story-Of-C-S-Lewis-by-Douglas-Gresham.pdf
    • http://calistazz.myhome.cx/8864861869863865/Miraculous-Journey-by-Milarepa.pdf
    • http://calistazz.myhome.cx/8864861869863868/Songs-on-the-Spot-by-Milarepa.pdf
    • http://calistazz.myhome.cx/8864861869868862/The-Message-Of-Milarepa-by-Lobzang-Jivaka.pdf
    • http://calistazz.myhome.cx/8864861869869869/Biography-of-Milarepa-by-SANG-JI-JIAN-ZAN.pdf
    • http://calistazz.myhome.cx/8864862860869866/Liberation-in-One-Lifetime-Biographies-and-Teachings-of-Milarepa-by-Francis-V-Tiso.pdf
    • http://calistazz.myhome.cx/8864862861865863/Theory-and-Practice-of-Other-Emptiness-Taught-Through-Milarepa-s-Songs-by-Tony-Duff.pdf
    • http://calistazz.myhome.cx/8864862860869864/The-Yogin-and-the-Madman-Reading-the-Biographical-Corpus-of-Tibet-s-Great-Saint-Milarepa-by-Andrew-Quintman.pdf
    • http://calistazz.myhome.cx/8862861864867863/Man-the-story-of-his-advent-life-and-development-in-the-earth-world-and-his-continued-life-and-progression-in-the-spirit-world-with-a-description-allegory-of-his-principal-aids-and-counsellors-told-in-epic-verse-by-Edwy-Wells-Foster.pdf
    • http://calistazz.myhome.cx/8869869866866863/The-Story-of-My-Life-by-Hellen-Keller.pdf
    • http://calistazz.myhome.cx/4865862860867865/Phantom-The-Story-of-His-Life-by-Susan-Kay.pdf
    • http://calistazz.myhome.cx/8864861869868862/The-Message-Of-Milarepa-b

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